154884222072 has 48 divisors (see below), whose sum is σ = 430815354840. Its totient is φ = 50232719808.

The previous prime is 154884222061. The next prime is 154884222083. The reversal of 154884222072 is 270222488451.

154884222072 is a `hidden beast` number, since 1 + 548 + 84 + 2 + 2 + 20 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (154884222061) and next prime (154884222083).

It is a super-2 number, since 2×154884222072² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29067198 + ... + 29072525.

Almost surely, 2^154884222072 is an apocalyptic number.

154884222072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154884222072 is an abundant number, since it is smaller than the sum of its proper divisors (275931132768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154884222072 is a wasteful number, since it uses less digits than its factorization.

154884222072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58139772 (or 58139765 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 154884222072 in words is "one hundred fifty-four billion, eight hundred eighty-four million, two hundred twenty-two thousand, seventy-two".